I have a 91 mustang 2.3 and tuesday night, I was driving and I started to slow down and the car died on me. I got the car towed and looked at it and I discovered the belt was loose then changed it and saw all the grooves were ate off. I replaced it. Ive replaced this belt "atleast" 5 times on other 2.3l never had a problem. Car wont start. I have takin this belt on and off ten to twelve times The timing marks are one hundred percent dead on!! But still wont run Is there something else that could have happened here that im not looking at? thanks for any advice.